Bianza No. 9 is a new watermelon variety with mid-maturity and black skin. It is developed by crossing inbred KS165 as female parent and KS28 as male parent. The whole growth period is about 103 days from sowing and the fruit matures about 33 days after flower. The fruit is oblong, the skin is black with wax, the rind is durable with thickness 1.1-1.2 cm. The flesh is red and crisp. The soluble solid content is about 10.0％. The average fruit is 6-8 kg and 667 m2 yield is about 3 500 kg. The plant is resistant to Fusarium wilt. It is suitable for cultivation in Henan, Shandong, Hebei, Anhui and Guangxi province.%汴杂9号是开封市蔬菜科学研究所以KS165为母本、KS28为父本选育的中熟、黑皮大果型西瓜新品种.植株根系发达,生长健壮,抗逆性强.全生育期约103 d,果实发育期33 d;主蔓第1雌花着生节位8～10节,雌花间隔5～6节.果实椭圆形,果皮纯黑有果粉,商品性好;瓜瓤鲜红色,中心可溶性固形物10.0%以上,边部8.0%左右,质脆爽口;皮厚1.1～1.2 cm,韧性大,耐贮运;单果质量6～8 kg,667m2产量3500 kg左右.田间表现对枯萎病抗性强,较少发生病毒病.适宜河南、山东、河北、安徽、广西等省区种植.
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